clinton will not testify as had been scheduled thursday about the deadly attack in benghazi, libya. >>> in south africa, former president nelson mandela is recovering from surgery to have gallstones removed. mr. mandela has been in the hospital since last weekend due to a recurring lung infection. officials say the operation today was a success. >>> in egypt, president mohamed morsi cast his ballot today for a new draft constitution. voters there deciding whether the controversial document will go into effect. the days leading up to today's vote have been marred by many protests and violence. back to you, soledad. >>> we know that there was a report that a relative of the shooter said that he suffered -- the shooter suffered some, quote, kind of autism. we want to get to dr. mac wh whiznitser, an autism expert at a hospital in cleveland. and he provided some more clarification for us on this. thanks for being with us. i appreciate it. i think this brings us into a conversation about mental illness and about something else which i guess is developmental, which is autism. my nephew is a